Finding the Fourth Proportional to 10,724.98, 16,076.24 and 4,488.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,724.98 : 16,076.24 = 4,488.56 : x
2. Step 2: Convert to fraction form
   10,724.98/16,076.24 = 4,488.56/x
3. Step 3: Cross multiply
   10,724.98x = 16,076.24 × 4,488.56
4. Step 4: Simplify right side
   10,724.98x = 72,159,145.37
5. Step 5: Solve for x
   x = 72,159,145.37/10,724.98
6. Step 6: Final answer
   x = 6,728.14